Exercise machine



FIG. 1 is a front, bottom, perspective view of an exercise machine, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left-side view thereof shown in enlarged scale; and,

FIG. 7 is a right-side view thereof shown in enlarged scale.

The broken lines in the figures illustrate portions of the exercise machine that form no part of the claimed design. 

CLAIM We claim the ornamental design for an exerciser machine, as shown and described. 